78372819

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 139776000

約数和(自身を除く): 61403181

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 79, 87, 181, 189, 203, 237, 261, 543, 553, 609, 711, 783, 1267, 1629, 1659, 1827, 2133, 2291, 3801, 4887, 4977, 5249, 5481, 6873, 11403, 14299, 14931, 15747, 16037, 20619, 34209, 36743, 42897, 47241, 48111, 61857, 100093, 110229, 128691, 141723, 144333, 300279, 330687, 386073, 414671, 432999, 900837, 992061, 1244013, 2702511, 2902697, 3732039, 8708091, 11196117, 26124273, 78372819]

約数ペア:

[(1, 78372819), (3, 26124273), (7, 11196117), (9, 8708091), (21, 3732039), (27, 2902697), (29, 2702511), (63, 1244013), (79, 992061), (87, 900837), (181, 432999), (189, 414671), (203, 386073), (237, 330687), (261, 300279), (543, 144333), (553, 141723), (609, 128691), (711, 110229), (783, 100093), (1267, 61857), (1629, 48111), (1659, 47241), (1827, 42897), (2133, 36743), (2291, 34209), (3801, 20619), (4887, 16037), (4977, 15747), (5249, 14931), (5481, 14299), (6873, 11403)]